/usr/share/php/Symfony/Polyfill/Intl/ is in php-symfony-polyfill-intl-normalizer 1.6.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Normalizer.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/stubs/
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/stubs/Normalizer.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/unidata/
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/unidata/canonicalComposition.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/unidata/canonicalDecomposition.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/unidata/combiningClass.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/Resources/unidata/compatibilityDecomposition.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/autoload.php
/usr/share/php/Symfony/Polyfill/Intl/Normalizer/bootstrap.php